ASME B16.5 Alloy Steel Flange susceptible to getting corroded by oxidation

Nilo Alloy 36, W.Nr 1.3912, Invar 36® is a nickel-iron, low controlled expansion alloy that contains 36% nickel and possesses a rate of thermal expansion approximately one-tenth that of carbon steel.
Invar 36 Specifications: UNS K93600, W.Nr 1.3912

Common Trade Names: Nickel Alloy 36, Invar 36®, Nilo 6®, Pernifer 6®
Invar 36® is a nickel-iron, low expansion alloy that contains 36% nickel, Invar 36 has a low coefficient of expansion from cryogenic temperatures to about +500°F (260°C).
Invar 36 Tube OD:0.2-6mm, WT: 0.02-2mm

Nilo / Alloy K W.Nr.: 1.3981
UNS: K94610 ASTM F15
Fixed-expansion glass-encapsulated iron-nickel-cobalt alloys, Kovar alloys, have a linear thermal expansion coefficient similar to that of hard glass within a certain temperature range
For mating sealing with hard glass

The material contains carbon, manganese, phosphorus, sulfur, silicon, 8% chromium and molybdenum in a mixture. SA 335 grade P5 alloy steel pipe has similar strength to most austenitic stainless steel grades, with a minimum yield strength of 205MPa and a minimum tensile strength of 415MPa.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.19
Material Alloy Steel ASTM A333 Grade 3, Grade 6,Grade 8,Grade 9
ASTM A335 P5,P9,P11,P12,P22,P91,P120

ASTM A193 Grade B7 specification covers the requirements for high strength alloy steel bolting materials for high temperature or high pressure service and other special purpose applications. It is a standard specification that defines typical chemical composition, mechanical properties, hardness requirements, preferential heat treatment, product marking, certification, and other requirements for bolted connections used in pressure vessel service, valves, flanges, and fittings. ASTM A193 defines SI (metric) and inch-pound units.

For instance, the addition of molybdenum in the alloy steel plate flanges, offers an improved material strength.

ASTM/ASME A387/SA387 Alloy Steel Gr. 5 CL 1/2 is a chrome molybdenum alloy steel plate primarily used in welded boilers and pressure vessels designed for high temperature service. The Cr content was 5.00%, and the Mo content was 0.5%.

Our Alloy Steel ASTM A182 F5 Weld-neck Flanges are supplied to aid industrial, high pressure services like condensers, boilers, evaporators, heat exchangers, etc. Alloy steel F5 A182 flanges is also available in the form of lap joint flanges, plate flanges, threaded flanges, reducing flanges and many more. These flanges are widely used in power generation industry, gas processing industry, pharmaceutical industry, heat exchangers industry, sea water equipment industry, oil drilling companies and many more.

A182 alloy steel flanges are not only suitable for high temperature, but also for high pressure or a combination of the two.

With an industry-leading inventory of chrome moly alloy from leading manufacturers combined with a diverse set of secondary service capabilities, our team can supply flanges that will meet or exceed your critical project/plant specifications.

Grades 7, 7M, 8 and 8M have 8-10% nickel added. Grade 8 material lacks molybdenum, but Grade 8M ASTM A194 2h material contains all the elements mentioned in the composition, making it the strongest and most expensive class of materials in this grade.

Producing Standard
ASME B18.2.2
DIN 934 

Chromium increases the tensile, yield and hardness of steel at room temperature. This is why ASTM A335 chrome-molybdenum alloy seamless steel pipes are mainly used in power plants, refineries, chemical plants and oilfield platforms where fluids and gases are transported under extremely high temperatures and pressures.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.19
Material Alloy Steel ASTM A333 Grade 3, Grade 6,Grade 8,Grade 9
ASTM A335 P5,P9,P11,P12,P22,P91,P97

The Welding neck flanges are available across various materials. These materials will have to be as per the Standards set. The materials also should be as per the quality specified by the ASTM or ASME standards.

Its tensile strength is 380 Mpa, while its yield strength is 585 Mpa at 0.2% Offset. The elongation of astm a182 gr f9 is 20 %.

A335 P9 steel pipe material also contains manganese, silicon, carbon and phosphorus in its composition. The addition of these materials makes the material stronger with higher yield and tensile strengths. Due to the high chromium content, the redox effect is high.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.37

A182-F11 is an American standard pearlitic structure heat-resistant steel forgings, the execution standard: ASTM-A182/A182M-2017.

Alloy steel is divided into two categories: high-alloy steel and low-alloy steel. Low alloy steel flanges, on the other hand, contain about 0.05 ¨C 0.25% carbon and up to 2.0% manganese.

Alloy steel flanges have corrosion oxidation stress corrosion cracking and crevice corrosion resistance.

A320 Gr L7 studs are subject to certain mandatory mechanical tests, namely: tensile test, impact test and hardness test.

The addition of molybdenum strengthens the elastic limit of the A335 p11 welded pipe and increases its temperature strength. In addition to these properties, there is a reduction in brittleness and an improvement in the weldability and hardenability of the pipe.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.48

The flanges also come in B16.5, B16.47 and other standards and dimensions. The Alloy Steel Flange Material can vary according to the chemical composition.

Alloy and stainless steel pipes are ideal for high-quality applications, selected for their durability, machinability, and superior corrosion resistance. We supply materials for a variety of industries such as: food processing, pharmaceuticals, energy, plant maintenance, and oil and gas exploration.

SA12 F11 Flange is made up of by using supreme raw material and they give excellent performance even in toughest environment. The weight chart of this is also available and based on this the product is manufactured.

After completion of manufacturing process, the manufactured product undergoes the process of Inspection. Which is one of the important aspects of metal forging manufacture, all the manufactured parts are being checked for defects under this process.

Chromium molybdenum has a better strength-to-weight ratio than steel, which enables designers to use thinner walled tubing or smaller diameter tubing to reduce overall weight.

The alloy steel slides on these flanges can be machined and polished in a stress-relieved condition.

SA182 plate flanges can be used in environments where mildly aggressive compounds are present. It can also be used in non-corrosive applications as well as aggressive applications at temperatures between -30?C to +650?C.

sa335 P5 P5 materials used to make ASTM A335 pipes etc. must meet chemical composition, tensile properties and SA335 P5 hardness requirements. This type of alloy steel pipe is used in applications that require high temperature service. ASTM A335 P5 Pipe Supplier’s Composition, A335 P5 Allowable Stress contains lesser amounts of Nickel and Manganese as they increase the hardness of the pipe.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.36

The low carbon content in A335’s alloy steel P9 square tube reduces carbide precipitation during welding to support corrosion-resistant properties in welded structures. Clad Steel P9 Rectangular Tubes are designed to prevent decomposition-erosion (joint mechanical and material spoilage) where scrubber mixers and gas condensate often contain chlorides.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.19
Material Alloy Steel ASTM A333 Grade 3, Grade 6,Grade 8,Grade 9
ASTM A335 P5,P9,P11,P12,P22,P91,P142

ASTM A335 P11 pipe (ASME SA335 P11) is a chromium-molybdenum alloy seamless pipe for high temperature service. P11 grade pipe has a chromium content of 1.00% to 1.50%, a molybdenum content of 0.44% to 0.65%, and a minimum tensile strength of 415MPa. Minimum yield strength 205Mpa.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.19
Material Alloy Steel ASTM A333 Grade 3, Grade 6,Grade 8,Grade 9
ASTM A335 P5,P9,P11,P12,P22,P91,P131

S32205 is a duplex stainless steel with twice the strength of austenitic stainless steel. Duplex stainless steel composed of 21% chromium, 2.5% molybdenum and 4.5% nickel-nitrogen alloy. It has high strength, good impact toughness and good overall and local stress corrosion resistance. The yield strength of duplex stainless steels is twice that of austenitic stainless steels, a feature that allows designers to reduce weight when designing products, making this alloy more affordable than 316, 317L. This alloy is particularly suitable for use in the -50¡ãF/+600¡ãF temperature range. For applications outside this temperature range, this alloy can also be considered, but there are some limitations, especially when applied to welded structures. Duplex stainless steel has twice the compressive strength compared to austenitic stainless steel, and designers can reduce its weight compared to 316L and 317L. Alloy 2205 is particularly suitable for use in the -50¡ãF/+600¡ãF temperature range, and can also be used at lower temperatures under severe restrictions (especially for welded structures).

Impact strength as well as high surface smoothness are the result of round bar forging of alloy steel DIN 1.7335. Once the materials are forged, they are allowed to cool to the temperature specified by the specification ASTM A 182.

Chrome moly alloy flanges connect pipes, valves, pumps and other equipment, forming a piping system.